Desktop file parser initial commit

tests/core/test_desktopfilereader.cpp

@@ -0,0 +1,84 @@
+// library headers
+#include <gtest/gtest.h>
+#include <boost/filesystem.hpp>
+
+// local headers
+#include "../../src/core/desktopfilereader.h"
+
+namespace bf = boost::filesystem;
+
+class DesktopFileReaderFixture : public ::testing::Test {
+    void SetUp() override {}
+    void TearDown() override {}
+};
+
+TEST_F(DesktopFileReaderFixture, testDefaultConstructor) {
+    DesktopFileReader reader;
+    EXPECT_TRUE(reader.isEmpty());
+}
+
+TEST_F(DesktopFileReaderFixture, testPathConstructor) {
+    bf::path path = "/dev/null";
+
+    DesktopFileReader reader(path);
+
+    EXPECT_FALSE(reader.isEmpty());
+}
+
+TEST_F(DesktopFileReaderFixture, testPathConstructorWithEmptyPath) {
+    ASSERT_THROW(DesktopFileReader(""), std::invalid_argument);
+}
+
+TEST_F(DesktopFileReaderFixture, testPathConstructorWithNonExistingPath) {
+    ASSERT_THROW(DesktopFileReader("/no/such/path/42"), std::runtime_error);
+}
+
+TEST_F(DesktopFileReaderFixture, testEqualityAndInequalityOperators) {
+    DesktopFileReader emptyReader;
+    EXPECT_TRUE(emptyReader == emptyReader);
+    EXPECT_FALSE(emptyReader != emptyReader);
+}
+
+TEST_F(DesktopFileReaderFixture, testCopyConstructor) {
+    bf::path path = "/dev/null";
+
+    DesktopFileReader reader(path);
+    EXPECT_FALSE(reader.isEmpty());
+
+    DesktopFileReader copy = reader;
+    EXPECT_FALSE(copy.isEmpty());
+
+    EXPECT_EQ(reader, copy);
+}
+
+TEST_F(DesktopFileReaderFixture, testCopyAssignmentConstructor) {
+    bf::path path = "/dev/null";
+
+    DesktopFileReader reader;
+    EXPECT_TRUE(reader.isEmpty());
+
+    DesktopFileReader otherReader(path);
+    EXPECT_FALSE(otherReader.isEmpty());
+
+    reader = otherReader;
+    EXPECT_EQ(reader.path(), path);
+
+    // test self-assignment
+    reader = reader;
+}
+
+TEST_F(DesktopFileReaderFixture, testMoveAssignmentConstructor) {
+    bf::path path = "/dev/null";
+
+    DesktopFileReader reader;
+    EXPECT_TRUE(reader.isEmpty());
+
+    DesktopFileReader otherReader(path);
+    EXPECT_FALSE(otherReader.isEmpty());
+
+    reader = std::move(otherReader);
+    EXPECT_EQ(reader.path(), path);
+
+    // test self-assignment
+    reader = std::move(reader);
+}